【摘要】 针对大模数直齿圆柱齿轮 ,提出了利用积极摩擦一步成形的工艺方案 ,并用工业纯铅作为试验材料 ,在设计的专用模具上进行试验 ,记录了力———行程曲线 ,结果表明 :利用积极摩擦作用能够有效地保证直齿圆柱齿轮精锻时齿腔充满 ,但同时增加了变形力。更多还原

【Abstract】 In this paper,a kind of technological scheme for one step precision forging spur gear with large module is put forward by using positive friction role.Experiment,in which commercial pure lead is taken as test material,is done in the special die designed,and force vs.stroke curve is recorded.It is shown that positive friction role can efficiently make a contribution to the filling of the tooth cavity,but increase forming force.更多还原